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20 21
TROUBLE SHOOTING
POSSIBLE CAUSE SUGGESTED FIX
Engine will not start
No or low fuel in the fuel tank Fill fuel tank
No or low oil in sump Fill oil sump
Fuel/Engine lever is OFF Turn fuel/engine lever ON
Choke is set to RUN Slide choke to START
Pressurised pump
Turn water tap off, pull trigger to release water from pump.
Start motor, then turn water tap on
Unit does not reach high pressure
Diameter of garden hose is too small Replace with a 12mm garden hose
Water supply is restricted Check garden hose for kinks, leaks and blockage
Water inlet filter is clogged Open water source to full force
Black detergent nozzle is attached Remove detergent nozzle and attach a high pressure nozzle
Not enough inlet water supply Check garden hose for kinks, leaks and blockage
Output pressure varies high and low
Pump is sucking air
Check garden hose for kinks, leaks or blockage.
Check whether hoses and fittings are air tight
Water inlet filter is clogged
Turn off machine and purge pump by squeezing trigger gun
until a steady flow of water emerges through the nozzle
Discharge nozzle is obstructed Remove filter and rinse out in warm water
Calcified gun, hose or spray wand
Blow out or remove debris with a fine needle. Run
distilled vinegar through detergent suction tube
No detergent
Detergent suction tube not properly
connected to the machine
Check connection
Detergent is too thick Dilute detergent
Garden hose connection leaks
Filter on detergent suction tube is clogged Run warm water through filter to remove debris
Damaged or clogged detergent suction tube Remove obstruction or replace detergent suction tube
Spray wand leaks
A high pressure nozzle is attached Replace with black detergent nozzle
Discharge nozzle is obstructed Blow out or remove debris with fine needle
Leaky connection O-ring is worn, replace
Pump is noisy
Loose fittings
Tighten fittings. Insert new washer.
Ensure spray wand is tight onto the gun
Spray wand not properly attached
Tighten the spray wand onto the gun. Turn the wand
collar clockwise onto the gun threads until tight
Water leaks from pump
Pump is sucking air
Check whether hoses and fittings air tight. Turn off machine
and purge pump by squeezing trigger gun until a steady
flow of water emerges through nozzle
Loose fittings Check that all fittings are tight
Oil Drop
Oil seals are damaged or worn Call service centre
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